8.6.2 - Base Current and Collector Current Expressions
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the main purpose of the base current in a BJT?
💡 Hint: Think about how BJTs can amplify signals.
Define collector current in your own words.
💡 Hint: Focus on the injection from the emitter when answering.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does I_B depend on primarily?
💡 Hint: Recall how voltage influences base current in your studies.
Collector current has a direct linear relationship with?
💡 Hint: Think about the behavior of currents in a diode versus a transistor.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A BJT transistor has a saturation current of 10nA. Calculate the collector current when V_BE = 0.7V and β = 100. Assume full saturation.
💡 Hint: Break it into steps to compute I_B and then I_C using the relationships you've learned.
Explain how increasing the emitter-base voltage impacts both the base and collector currents quantitatively and qualitatively.
💡 Hint: Focus on the exponential relationships introduced.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.